Documents / Official release
This Federal Bureau of Investigation file section (62-HQ-83894, Section 4) collects 1947 to 1949 correspondence on flying discs. It includes Portland police officers' accounts of a silvery object over the city on September 11, 1947, an Alaska pilot's July 1947 sighting near Bethel, citizen letters answered by J. Edgar Hoover, and a 1948 Air Defense Command directive on disc investigations. The FBI replied that it was conducting no flying disc investigations. Later items concern William Albert Rhodes's disc photographs and a Los Angeles letter judged a probable prank.
From the source:Release of 2026-05-08 Incident: N/A, N/A. The FBI's 62-HQ-83894 case file includes investigative records, eyewitness testimonies, and public reports concerning Unidentified Flying Objects and flying discs documented between June 1947 and July 1968. The records include high-profile incident accounts, photographic evidence from sites like Oak Ridge, TN, and technical proposals regarding potential propulsion systems. Additional topics include convention programs, researcher accounts, and extensive media coverage from the period. This file is partially posted on FBI vault with more redactions and some pages missing. Included here is the complete case file with several newly declassified pages and only minor redactions.
“Cooper”5 pages
• I • Jiarch 341 1948 RECORDED L,,, ... 3gy ~lt3 Ur. Kennsth L. Fraeter Benk•lman1 Nebraaka Your letter dated llarch l41 l948, to tho Honorable Kenneth s. Wherry, Un ited State• Senator, has been re/erred to me /or attentton. Stnc• thtt mattar you i:zeni1oned ta not wtthtn the scope oj authorttu of thta Bureau, I have taken the ltberty o/ jurntah tng a oopy of your communicatton to the Secratary o/ ~he Armu, National Ds/enas Eutldtng 1 Uashtngton, D. a., and in tha event you haue anu addittona2 tn/or:n.atton, jt is auggeated you aay destre to communtcats wtth h,n. B'incer•2 11 11ours1 i .. Ba&ar Hoover ..Tohn Edgar Hoouer Dtrector ~J (r: r-..:CC: Senator Wherry - ~ r1' ~ ~ ~ rr: (O Name of to111n per Postal Gutde 0 ..... - ~ ..... - . ,_ t:' ... ~ VWP:jec ~ ":'I COMM CATIONS SECTION jAILED :3 * ftiAR 2r, 1948 P.M. r..
Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 214 pages are in the text index: search them above, or from the library's search.